Quick answers
- Does Lorina K. Massey accept Medicare assignment?
- Yes. Medicare's clinician data says Lorina K. Massey accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Lorina K. Massey see?
- In 2024, CMS data shows 40 Original Medicare patients and 116 services for Lorina K. Massey. This counts Original Medicare only and measures volume, not quality.
- What is Lorina K. Massey's NPI number?
- 1215187588. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Lorina K. Massey, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 40 |
|---|---|
| Services billed to Medicare | 116 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Psychiatric diagnostic evaluation with medical services (90792)36 services
- Psychotherapy with evaluation and management visit, 30 minutes (90833)35 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- Depression68%
- High cholesterol63%
- Anxiety63%
- High blood pressure53%
- Arthritis43%
- Alzheimer's disease or dementia35%
Practice locations
Addresses where Lorina K. Massey is enrolled with Medicare (CMS data updated October 2, 2026).
- 302 1st St W, Suite 105Polson, MT 59860 (406) 609‑8995
- 35401 Mission DrSaint Ignatius, MT 59865 (406) 745‑3525
- 35401 Mission DrSt Ignatius, MT 59865
- 6 13th Ave EPolson, MT 59860 (406) 883‑5377
- PO Box, Suite 880Saint Ignatius, MT 59865
Group practices
Medicare enrollment lists Lorina K. Massey as a member of these groups (CMS data updated October 2, 2026).
- Providence St Joseph Medical Center53 clinicians in the group
- Confederated Salish and Kootenai Tribes of the Flathead Reservation23 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Polson
Clinicians with the same Medicare primary specialty in Polson, MT — not a recommendation.
Other clinicians in Providence St Joseph Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215187588 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians